question_answer 83)

  Name one metal and one non-metal that exist in liquid state at room temperature. Also name two metals having melting point less than 310 K(37°C).

Answer:

                  Metal which exits in liquid state is mercury (Hg) and non-metal which exists in liquid state is bromine (Br). Two metals having melting point less than 310 K (37°C) are cesium (Cs) and gallium (Ga) which have melting point 28.5°C and 30°C respectively.